71357860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509699}}^1$

素因数の和:509715

約数の個数: 24

約数和(自身を含む): 171259200

約数和(自身を除く): 99901340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509699, 1019398, 2038796, 2548495, 3567893, 5096990, 7135786, 10193980, 14271572, 17839465, 35678930, 71357860]

約数ペア:

[(1, 71357860), (2, 35678930), (4, 17839465), (5, 14271572), (7, 10193980), (10, 7135786), (14, 5096990), (20, 3567893), (28, 2548495), (35, 2038796), (70, 1019398), (140, 509699)]